28897730 (number)

28897730 is an even 8-digits composite number following 28897729 and preceding 28897731. In scientific notation, it is written as 2.8897730 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 11539440 positive integers (up to 28897730) that are relatively prime to 28897730.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred ninety-seven thousand seven hundred thirty

Notation

Scientific notation 2.8897730 × 10^7
Engineering notation 2.8897730 × 10^6

Prime Factorization of 28897730

Prime Factorization 2 × 5 × 683 × 4231

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28897730
Product of the distinct prime numbers

The prime factorization of 28897730 is 2 × 5 × 683 × 4231. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 97, 50, 533, 607, 8702, 3393, 87538, 23613, 11091, 850279, 7202887, 352149, 49494359, 22342214, 679849848, 717012296, 4703736782, 1787474477

Basic calculations (n = 28897730)

Multiplication

n×y
n×2 57795460
n×3 86693190
n×4 115590920
n×5 144488650

Division

n÷y
n÷2 14448865
n÷3 9632576.6666667
n÷3 7224432.5
n÷5 5779546

Exponentiation

ny
n2 835078799152900
n3 2.4131881666645E+22
n4 6.9735660079465E+29
n5 2.0152022763482E+37

Nth Root

y√n
2√n 5375.6608896023
3√n 306.87010104963
4√n 73.318898584214
5√n 31.057947093052

Divisors of 28897730

1, 2, 5, 10, 683, 1366, 3415, 4231, 6830, 8462, 21155, 42310, 2889773, 5779546, 14448865, 28897730

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28897729
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28897730 can be divided by 16 positive divisors. The sum of these divisors (counting 28897730) is 1, the average is 0.0625.

Base conversion 28897730

Base System Value
2 Binary 1101110001111000111000010
3 Ternary 2000101011020022
4 Quaternary 1232033013002
5 Quinary 24344211410
6 Senary 2511213442
8 Octal 156170702
10 Decimal 28897730
12 Duodecimal 9817282
16 Hexadecimal 1b8f1c2
20 Vigesimal 90c46a
36 Base36 h7dmq

Cryptographic Hash Functions

md5 803901080c9d3a3f4803b842b45a7de2
sha1 e88a50a3ebb2c3ade22b500c82660ceced421873
sha256 f2324a8cbd615c34895e5027a55e18a9b3c1f2ddde26693255a82945a91ebdb9
sha512 4ec94e3fbc0ee929881c350634be4ad7adfa1e32c34bddb60d2b6d50d24b8a43f797c410e9397d9dc242ff17e57691356f943a33efca6fe1423ae16df1e661a3
ripemd-160 3c19c5a7c822070258c6695fe988007d2b470102

28897730 as geometric shapes

Circle

Radius = n
Diameter 57795460
Circumference 181569792.54684
Area 2.6234774205873E+15

Sphere

Radius = n
Volume 1.0108338954831E+23
Surface area 1.0493909682349E+16
Circumference 181569792.54684

Square

Length = n
Perimeter 115590920
Area 835078799152900
Diagonal 40867561.687796

Cube

Length = n
Surface area 5010472794917400
Volume 2.4131881666645E+22
Space diagonal 50052336.583407

Equilateral Triangle

Length = n
Perimeter 86693190
Area 3.6159972711411E+14
Altitude 25026168.291704

Triangular Pyramid

Length = n
Surface area 3.6159972711411E+14
Volume 2.8439695282126E+21
Height 13622520.562599